うちで運用してるDebianなルータ兼VPNサーバから最近不穏なメールを受け取るようになってしまいました。 This email was generated by the smartd daemon running on: host name: xxxxx DNS domain: nyacom.net NIS domain: (none) The following warning/error was logged by the smartd daemon: Device: /dev/sda [SAT], 1 Currently unreadable (pending) sectors For details see host's SYSLOG. You can also use the smartctl utility for further investigation. The ori